<?php

/**
 * JPGraph v4.0.3
 */

namespace lemon\JpGraph\Util;

// Provide a deterministic list of new colors whenever the getColor() method
// is called. Used to automatically set colors of plots.
class ColorFactory
{
	private static $iIdx	   = 0;
	private static $iColorList = [
		'black',
		'blue',
		'orange',
		'darkgreen',
		'red',
		'AntiqueWhite3',
		'aquamarine3',
		'azure4',
		'brown',
		'cadetblue3',
		'chartreuse4',
		'chocolate',
		'darkblue',
		'darkgoldenrod3',
		'darkorchid3',
		'darksalmon',
		'darkseagreen4',
		'deepskyblue2',
		'dodgerblue4',
		'gold3',
		'hotpink',
		'lawngreen',
		'lightcoral',
		'lightpink3',
		'lightseagreen',
		'lightslateblue',
		'mediumpurple',
		'olivedrab',
		'orangered1',
		'peru',
		'slategray',
		'yellow4',
		'springgreen2', ];
	private static $iNum = 33;

	public static function getColor(){
		if (ColorFactory::$iIdx >= ColorFactory::$iNum) {
			ColorFactory::$iIdx = 0;
		}

		return ColorFactory::$iColorList[ColorFactory::$iIdx++];
	}
}
